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68267772 = 2234239161
BaseRepresentation
bin1000001000110…
…10111011111100
311202110100210000
410010122323330
5114434032042
610435114300
71456160256
oct404327374
9152410700
1068267772
1135598651
121aa42990
13111b3241
1490d0cd6
155ed774c
hex411aefc

68267772 has 60 divisors (see below), whose sum is σ = 186245136. Its totient is φ = 21764160.

The previous prime is 68267743. The next prime is 68267783. The reversal of 68267772 is 27776286.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2872 + ... + 12032.

Almost surely, 268267772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68267772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93122568).

68267772 is an abundant number, since it is smaller than the sum of its proper divisors (117977364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68267772 is a wasteful number, since it uses less digits than its factorization.

68267772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9200 (or 9189 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The square root of 68267772 is about 8262.4313612883. The cubic root of 68267772 is about 408.7005697317.

The spelling of 68267772 in words is "sixty-eight million, two hundred sixty-seven thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 23 27 36 46 54 69 81 92 108 138 162 207 276 324 414 621 828 1242 1863 2484 3726 7452 9161 18322 27483 36644 54966 82449 109932 164898 210703 247347 329796 421406 494694 632109 742041 842812 989388 1264218 1484082 1896327 2528436 2968164 3792654 5688981 7585308 11377962 17066943 22755924 34133886 68267772